.title{
    color: #222222;
    font-size: large;
    font-weight: bolder;
    text-align: center;
}
.back{
    border: 2px solid rgba(184, 26, 126, 0.76);
}
body>form>fieldset{
    background: aquamarine;
}
body>div>p{
    color: blueviolet;
    text-align: center;
}
#word {
    color: blue;
}
body>div{
    margin: auto;
    width: 390px;height: 400px;
    border: 2px solid grey;
    overflow-y:auto;
}
.span1{
    /*visibility: hidden;*/
    opacity: 0.5;
    background-color: #999999;
}
.span2{
    display: none;
}